forked from OSchip/llvm-project
35 lines
985 B
LLVM
35 lines
985 B
LLVM
; This test makes sure that these instructions are properly constant propagated.
|
|
|
|
; RUN: opt < %s -data-layout="e-p:32:32" -sccp -S | FileCheck %s
|
|
; RUN: opt < %s -data-layout="E-p:32:32" -sccp -S | FileCheck %s
|
|
|
|
; CHECK-NOT: load
|
|
|
|
|
|
@X = constant i32 42 ; <i32*> [#uses=1]
|
|
@Y = constant [2 x { i32, float }] [ { i32, float } { i32 12, float 1.000000e+00 }, { i32, float } { i32 37, float 0x3FF3B2FEC0000000 } ] ; <[2 x { i32, float }]*> [#uses=2]
|
|
|
|
define i32 @test1() {
|
|
%B = load i32, i32* @X ; <i32> [#uses=1]
|
|
ret i32 %B
|
|
}
|
|
|
|
define float @test2() {
|
|
%A = getelementptr [2 x { i32, float }], [2 x { i32, float }]* @Y, i64 0, i64 1, i32 1 ; <float*> [#uses=1]
|
|
%B = load float, float* %A ; <float> [#uses=1]
|
|
ret float %B
|
|
}
|
|
|
|
define i32 @test3() {
|
|
%A = getelementptr [2 x { i32, float }], [2 x { i32, float }]* @Y, i64 0, i64 0, i32 0 ; <i32*> [#uses=1]
|
|
%B = load i32, i32* %A
|
|
ret i32 %B
|
|
}
|
|
|
|
define i8 @test4() {
|
|
%A = bitcast i32* @X to i8*
|
|
%B = load i8, i8* %A
|
|
ret i8 %B
|
|
}
|
|
|